18261138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3319}}^1$

素因数の和:3462

約数の個数: 32

約数和(自身を含む): 42071040

約数和(自身を除く): 23809902

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 3319, 5502, 6638, 9957, 19914, 23233, 46466, 69699, 139398, 434789, 869578, 1304367, 2608734, 3043523, 6087046, 9130569, 18261138]

約数ペア:

[(1, 18261138), (2, 9130569), (3, 6087046), (6, 3043523), (7, 2608734), (14, 1304367), (21, 869578), (42, 434789), (131, 139398), (262, 69699), (393, 46466), (786, 23233), (917, 19914), (1834, 9957), (2751, 6638), (3319, 5502)]